30753490 has 16 divisors (see below), whose sum is σ = 55906200. Its totient is φ = 12179200.

The previous prime is 30753487. The next prime is 30753491. The reversal of 30753490 is 9435703.

It can be written as a sum of positive squares in 4 ways, for example, as 26347689 + 4405801 = 5133^2 + 2099^2 .

It is not an unprimeable number, because it can be changed into a prime (30753491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14215 + ... + 16234.

Almost surely, 2^30753490 is an apocalyptic number.

30753490 is a deficient number, since it is larger than the sum of its proper divisors (25152710).

30753490 is a wasteful number, since it uses less digits than its factorization.

30753490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30557.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 30753490 is about 5545.5829269789. The cubic root of 30753490 is about 313.3031797853.

The spelling of 30753490 in words is "thirty million, seven hundred fifty-three thousand, four hundred ninety".